The water and soil separation net plate is matched above the hollowpipe;
一水土分隔网板，系配置于上述空心管之上方；
2
The spray pipe is a ring hollowpipe body, and the through spray orifices are alternatively distributed around the spray pipe.
所说的喷管为环形中空管体，贯通的喷孔沿喷管的圆周间隔分布。
3
The sanitary clearer has the advantage that only the original solid draw rod needs to be substituted by the hollowpipe, and the purpose of water saving can be achieved.